78745548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{853}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 215351472

約数和(自身を除く): 136605924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 294, 314, 471, 588, 628, 853, 942, 1099, 1706, 1884, 2198, 2559, 3297, 3412, 4396, 5118, 5971, 6594, 7693, 10236, 11942, 13188, 15386, 17913, 23079, 23884, 30772, 35826, 41797, 46158, 71652, 83594, 92316, 125391, 133921, 167188, 250782, 267842, 401763, 501564, 535684, 803526, 937447, 1607052, 1874894, 2812341, 3749788, 5624682, 6562129, 11249364, 13124258, 19686387, 26248516, 39372774, 78745548]

約数ペア:

[(1, 78745548), (2, 39372774), (3, 26248516), (4, 19686387), (6, 13124258), (7, 11249364), (12, 6562129), (14, 5624682), (21, 3749788), (28, 2812341), (42, 1874894), (49, 1607052), (84, 937447), (98, 803526), (147, 535684), (157, 501564), (196, 401763), (294, 267842), (314, 250782), (471, 167188), (588, 133921), (628, 125391), (853, 92316), (942, 83594), (1099, 71652), (1706, 46158), (1884, 41797), (2198, 35826), (2559, 30772), (3297, 23884), (3412, 23079), (4396, 17913), (5118, 15386), (5971, 13188), (6594, 11942), (7693, 10236)]